Dell Vostro 5401 Service Manual - Page 56
Installing the I/O board - UMA
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Steps 1. Locate the I/O board on your computer. 2. Lift the mylar cover. 3. Peel the adhesive tape to unroute the I/O cable. 4. Open the latch, and disconnect the I/O-board cable from the I/O board. 5. Remove the two screws (M2.5x4) and (M2x3) that secure the left display hinge to the computer. 6. Open the latch, and disconnect the fingerprint reader cable from the I/O board. 7. Remove the three screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly. 8. Lift the I/O board off the palm-rest and keyboard assembly. Installing the I/O board - UMA Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the I/O board and provides a visual representation of the installation procedure. 56 Disassembly and reassembly